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Berkelium Lithium Comparison

Berkelium
Lithium
Lithium Berkelium comparison


Periodic Table
Symbol
Bk   
Li   
Group Number
Not Available   
1   
17
Period Number
7   
2   
Block
f block   
s block   
Element Family
Actinide   
Alkali   
CAS Number
7440406   
99+
7439932   
99+
Space Group Name
P63/mmc   
Im_ 3m   
Space Group Number
194.00   
5
229.00   
1
Facts
Interesting Facts
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
  
Sources
Bombarding Americium with Alpha Particles.   
Found in Minerals, Mining   
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory   
Johan August Arfwedson   
Discovery
In 1949   
In 1817   
Abundance
  
  
Abundance In Universe
Not Available   
6 * 10-7 %   
18
Abundance In Sun
~-9999 %   
~0.00017 %   
11
Abundance In Meteorites
Not Available   
0.00 %   
22
Abundance In Earth's Crust
Not Available   
0.00 %   
99+
Abundance In Oceans
Not Available   
0.00 %   
15
Abundance In Humans
Not Available   
0.00 %   
16
Uses
Uses & Benefits
  • This metal is very rare and has no commercial uses.
  
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
  
Industrial Uses
NA   
Aerospace Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
NA   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
NA   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
27
In Bone
0.00 p.p.m.   
36
1.30 p.p.m.   
17
Physical Properties
Melting Point
986.00 °C   
99+
180.54 °C   
99+
Boiling Point
2,627.00 °C   
40
1,347.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
Not Available   
0.60   
21
Brinell Hardness
Not Available   
5.00 MPa   
99+
Speed of Sound
Not Available   
6,000.00 m/s   
3
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Bk   
Li   
Isotopes
  
  
Known Isotopes
14   
25
8   
30
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
0.98   
99+
Sanderson Electronegativity
Not Available   
0.89   
26
Allred Rochow Electronegativity
1.20   
27
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.97   
19
Allen Electronegativity
2.70   
1
0.91   
99+
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
3.02   
8
Ionization Energies
  
  
1st Energy Level
601.00 kJ/mol   
99+
520.20 kJ/mol   
99+
2nd Energy Level
1,186.00 kJ/mol   
99+
7,298.10 kJ/mol   
3
3rd Energy Level
2,152.00 kJ/mol   
99+
11,815.00 kJ/mol   
4
4th Energy Level
3,434.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
3.07 g/amp-hr   
16
0.26 g/amp-hr   
99+
Electron Work Function
Not Available   
2.90 eV   
37
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
97   
21
3   
99+
Electron Configuration
[Rn] 5f9 7s2   
[He] 2s1   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
97   
21
3   
99+
Number of Neutrons
150   
11
4   
99+
Number of Electrons
97   
21
3   
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm   
22
152.00 pm   
31
Covalent Radius
Not Available   
128.00 pm   
99+
Van der Waals Radius
Not Available   
182.00 pm   
35
Atomic Weight
247.00 amu   
18
6.94 amu   
99+
Atomic Volume
Not Available   
13.10 cm3/mol   
39
Adjacent Atomic Numbers
  
  
Previous Element
Curium
  
No Previous Element   
Next Element
Californium
  
Beryllium
  
Valence Electron Potential
45.50 (-eV)   
36
19.00 (-eV)   
99+
Lattice Constant
341.60 pm   
99+
351.00 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
14.78 g/cm3   
22
0.53 g/cm3   
99+
Density When Liquid (at m.p.)
13.25 g/cm3   
11
0.51 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
109.00 (Pa)   
2
Elasticity properties
  
  
Shear Modulus
Not Available   
4.20 GPa   
99+
Bulk Modulus
Not Available   
11.00 GPa   
99+
Young's Modulus
Not Available   
4.90 GPa   
99+
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
NA   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
14.00   
14
0.53   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
Not Available   
92.80 nΩ·m   
33
Electrical Conductivity
Not Available   
0.11 106/cm Ω   
19
Electron Affinity
Not Available   
59.60 kJ/mol   
16
Thermal Properties
Specific Heat
Not Available   
3.60 J/(kg K)   
1
Molar Heat Capacity
Not Available   
24.86 J/mol·K   
99+
Thermal Conductivity
10.00 W/m·K   
99+
84.80 W/m·K   
20
Critical Temperature
Not Available   
3,223.00 K   
1
Thermal Expansion
Not Available   
46.00 µm/(m·K)   
7
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
134.70 kJ/mol   
99+
Enthalpy of Fusion
Not Available   
3.00 kJ/mol   
99+
Enthalpy of Atomization
Not Available   
160.70 kJ/mol   
99+
Standard Molar Entropy
Not Available   
29.10 J/mol.K   
99+
Summary >>
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